You NEED to try this 20-minute HIIT workout!

Your shoulders and heart will thank you for this one.

Here's exactly what you need to know.

Skipping a workout to do this one thing really helps.

Read this before your next set of biceps curls.

Spoiler alert: Avoiding exercise won't protect your knees.

It's not all about how many pounds you can lift.

"If you don't visualize success for yourself, you won't achieve it…

Yes, you really do need to take rest days.

Take a walk outside and soak in the benefits.